OFDM Relay Cognitive Radio Multiple Antennas Synchronization Resource Allocation Channel Estimation Full duplex CDMA Spectrum Sharing Spectrum Sensing Interference Cancellation Stochastic Geometry Bi-Directional Feedback Neural Networks Energy Harvesting Heterogeneous Networks Equalizer FBMC Femtocell HetNet in-band full-duplex system 5G Dynamic TDD Equalization Reliability Cross-link interference C-V2V Device-to-Device (D2D) relay networks interference suppression non-orthogonal multiple access interference LTE-based V2V interference management Handoff SC-FDMA Spectral efficiency Channel estimation error Ultra-dense small cell mode selection Cell Search SINR mismatch problem LTE-TDD channel capacity Idle cells TVWS NOMA Ultra-dense small cell networks Duplex Ultra Low Power Vehicle-to-vehicle communication GFDM MIMO 5G mobile communication Empty cell health care Power allocation antenna arrays smart factory Spatial capacity NR positioning Rat-dependent positioning indoor positioning body area networks Vehicular communication Multi-user Receiver V2X Mode 3 partial overlap Metaheuristics estimated position overlapping Communication range Number of training blocks Uplink SCMA system FS-NOMA maximum likelihood method frame structure hybrid self interference cancellation User association Outdated channel estimation RSRP weighting resource block management timing misalignment ultra-dense small cell network inter user interference WVAN control overhead Location-based intersymbol interference OTDOA QAM estimated position updating intercarrier interference UFMC Full-duplex Timing and frequency offset On/off algorithm Zigbee